/*
 * license-updater - Copyright (c) 2012 MSF. All rights reserved.
 * 
 * This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General
 * Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 * 
 * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to
 * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
 */
package br.msf.commons.netbeans.swing.renderer;

import br.msf.commons.netbeans.util.JavaPackage;
import java.awt.Component;
import javax.swing.DefaultListCellRenderer;
import javax.swing.ImageIcon;
import javax.swing.JList;

/**
 * <p>Renderer fora a Package JList or JComboBox.
 *
 * @author Marcius da Silva da Fonseca (sf.marcius@gmail.com)
 * @version 1.0
 * @since license-updater-1.0
 */
public class JavaPackageListCellRenderer extends DefaultListCellRenderer {

    private static final long serialVersionUID = 1698161089054316534L;
    private final ImageIcon packIcon = (ImageIcon) new ImageIcon(getClass().getResource("/br/msf/commons/netbeans/package.png"));
    private final ImageIcon emptyPackIcon = (ImageIcon) new ImageIcon(getClass().getResource("/br/msf/commons/netbeans/package-empty.png"));

    @Override
    public Component getListCellRendererComponent(JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) {
        super.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);
        if (value == null) {
            return this;
        }
        if (!JavaPackage.class.isAssignableFrom(value.getClass())) {
            throw new IllegalArgumentException("This is a renderer to package names!");
        }
        JavaPackage pack = (JavaPackage) value;
        setText(pack.getDisplayName());
        if (pack.hasChildren()) {
            setIcon(packIcon);
        } else {
            setIcon(emptyPackIcon);
        }
        return this;
    }
}
